You can read up about some issues and things about ETH 2.0;

https://cryptobriefing.com/eth-2-0-wont-fix-ethereums-scalability-problems-analyst-argues/
https://coingeek.com/a-ethereum-2-0-still-not-scalable/

Lots of projects do try their best on dethroning Bitcoin in the spot but its already a decade they do still able to fail to do so.